photosgallery/common/src/glxfilterfactory.cpp
changeset 0 4e91876724a2
child 13 bcb43dc84c44
equal deleted inserted replaced
-1:000000000000 0:4e91876724a2
       
     1 /*
       
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:    Command object factory
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include <glxlog.h>
       
    21 #include "glxfilterfactory.h"
       
    22 
       
    23 // ---------------------------------------------------------------------------
       
    24 // Creates a General filter object
       
    25 // ---------------------------------------------------------------------------
       
    26 //   
       
    27 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateItemTypeFilterL(TGlxFilterItemType aItemType)
       
    28     {
       
    29     TGlxFilterProperties filterProperties;
       
    30     filterProperties.iItemType = aItemType;
       
    31     return CreateCombinedFilterL(filterProperties);
       
    32     }
       
    33     
       
    34 // ---------------------------------------------------------------------------
       
    35 // Creates a URI filter object
       
    36 // ---------------------------------------------------------------------------
       
    37 //   
       
    38 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateURIFilterL(const TDesC& aURI)
       
    39     {
       
    40     GLX_FUNCL("TGlxFilterFactory::CreateURIFilterL()");
       
    41     
       
    42     TGlxFilterProperties filterProperties;
       
    43     filterProperties.iUri = &aURI;
       
    44     return CreateCombinedFilterL(filterProperties);
       
    45     }
       
    46     
       
    47 // ---------------------------------------------------------------------------
       
    48 // Creates an alpabetic sort filter object
       
    49 // ---------------------------------------------------------------------------
       
    50 //   
       
    51 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateAlphabeticSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    52     {
       
    53     TGlxFilterProperties filterProperties;
       
    54     filterProperties.iSortOrder = EGlxFilterSortOrderAlphabetical;
       
    55     filterProperties.iSortDirection = aSortDirection;
       
    56     return CreateCombinedFilterL(filterProperties);
       
    57     }
       
    58     
       
    59 // ---------------------------------------------------------------------------
       
    60 // Creates an item count sort filter object. The containers with the greatest
       
    61 // number of items are listed first
       
    62 // ---------------------------------------------------------------------------
       
    63 //   
       
    64 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateItemCountSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    65     {
       
    66     TGlxFilterProperties filterProperties;
       
    67     filterProperties.iSortOrder = EGlxFilterSortOrderItemCount;
       
    68     filterProperties.iSortDirection = aSortDirection;
       
    69     return CreateCombinedFilterL(filterProperties);
       
    70     }
       
    71     
       
    72 // ---------------------------------------------------------------------------
       
    73 // Creates a capture date sort filter object
       
    74 // ---------------------------------------------------------------------------
       
    75 //   
       
    76 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCaptureDateSortFilterL(const TGlxFilterSortDirection aSortDirection)
       
    77     {
       
    78     TGlxFilterProperties filterProperties;
       
    79     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
    80     filterProperties.iSortDirection = aSortDirection;
       
    81     return CreateCombinedFilterL(filterProperties);
       
    82     }
       
    83     
       
    84 // ---------------------------------------------------------------------------
       
    85 // Creates a modified date sort filter object
       
    86 // ---------------------------------------------------------------------------
       
    87 //   
       
    88 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateModifiedDateFilterL(const TGlxFilterSortDirection aSortDirection)
       
    89     {
       
    90     TGlxFilterProperties filterProperties;
       
    91     filterProperties.iSortOrder = EGlxFilterSortOrderModifiedDate;
       
    92     filterProperties.iSortDirection = aSortDirection;
       
    93     return CreateCombinedFilterL(filterProperties);
       
    94     }
       
    95     
       
    96 // ---------------------------------------------------------------------------
       
    97 // Creates a camera album exclusion filter object
       
    98 // ---------------------------------------------------------------------------
       
    99 //   
       
   100 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCameraAlbumExclusionFilterL()
       
   101     {
       
   102     TGlxFilterProperties filterProperties;
       
   103     filterProperties.iIncludeCameraAlbum = EFalse;
       
   104     return CreateCombinedFilterL(filterProperties);
       
   105     }
       
   106     
       
   107 // ---------------------------------------------------------------------------
       
   108 // Creates an empty container exclusion filter object
       
   109 // ---------------------------------------------------------------------------
       
   110 //   
       
   111 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateIncludeEmptyContainersFilterL(CMPXMedia* aOriginalFilter)
       
   112     {
       
   113     TGlxFilterProperties filterProperties;
       
   114     filterProperties.iMinCount = -1;
       
   115     return CreateCombinedFilterL(filterProperties, aOriginalFilter, ETrue);
       
   116     }
       
   117 
       
   118 // ---------------------------------------------------------------------------
       
   119 // Creates aa filter that excludes all caontainers that does not contain a
       
   120 // specified item id.
       
   121 // ---------------------------------------------------------------------------
       
   122 //   
       
   123 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeContainersWithoutItemFilterL(TGlxMediaId aItemId)
       
   124     {
       
   125     TGlxFilterProperties filterProperties;
       
   126     filterProperties.iContainsItem = aItemId;
       
   127     return CreateCombinedFilterL(filterProperties);
       
   128     }
       
   129 
       
   130 // ---------------------------------------------------------------------------
       
   131 // Creates a last capture date filter object
       
   132 // ---------------------------------------------------------------------------
       
   133 //   
       
   134 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateLastCaptureDateFilterL()
       
   135     {
       
   136     TGlxFilterProperties filterProperties;
       
   137     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
   138     filterProperties.iSortDirection = EGlxFilterSortDirectionAscending;
       
   139     filterProperties.iLastCaptureDate = ETrue;
       
   140     return CreateCombinedFilterL(filterProperties);
       
   141     }
       
   142 
       
   143 // ---------------------------------------------------------------------------
       
   144 // Creates a preview filter object
       
   145 // ---------------------------------------------------------------------------
       
   146 //   
       
   147 EXPORT_C CMPXFilter* TGlxFilterFactory::CreatePreviewFilterL()
       
   148     {
       
   149     TGlxFilterProperties filterProperties;
       
   150     // Exclude empty containers
       
   151     filterProperties.iMinCount = 1;
       
   152     // If sorting on date, override sort direction to descending
       
   153     filterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;
       
   154     return CreateCombinedFilterL(filterProperties);
       
   155     }
       
   156 
       
   157 
       
   158 // ---------------------------------------------------------------------------
       
   159 // Creates a preview filter object for container items (album, tags)
       
   160 // ---------------------------------------------------------------------------
       
   161 //   
       
   162 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateContainerPreviewFilterL()
       
   163     {
       
   164     TGlxFilterProperties filterProperties;
       
   165     // If sorting on date, override sort direction to descending
       
   166     filterProperties.iSortOrder = EGlxFilterSortOrderCaptureDate;
       
   167     filterProperties.iSortDirection = EGlxFilterSortDirectionOverrideToDescendingIfDate;
       
   168     return CreateCombinedFilterL(filterProperties);
       
   169     }
       
   170 
       
   171 
       
   172 // ---------------------------------------------------------------------------
       
   173 // Creates a last capture date filter object
       
   174 // ---------------------------------------------------------------------------
       
   175 //   
       
   176 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeAnimationFilterL(const TGlxFilterSortDirection aSortDirection)
       
   177     {
       
   178     TGlxFilterProperties filterProperties;
       
   179     filterProperties.iItemType = EGlxFilterImage;
       
   180     filterProperties.iExcludeAnimation = ETrue;
       
   181     filterProperties.iSortDirection = aSortDirection;
       
   182     return CreateCombinedFilterL(filterProperties);
       
   183     }
       
   184 
       
   185 // ---------------------------------------------------------------------------
       
   186 // Creates a thumbnail loadibility filter object
       
   187 // ---------------------------------------------------------------------------
       
   188 //   
       
   189 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateThumbnailLoadabilityFilterL(TSize aSize)
       
   190     {
       
   191     TGlxFilterProperties filterProperties;
       
   192     filterProperties.iThumbnailLoadability = aSize;
       
   193     return CreateCombinedFilterL(filterProperties);
       
   194     }
       
   195 
       
   196 // ---------------------------------------------------------------------------
       
   197 // Creates a filter most suited for the SlideShow
       
   198 // ---------------------------------------------------------------------------
       
   199 //   
       
   200 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateSlideShowFilterL( CMPXCollectionPath* aSelectedListPath,
       
   201                                                                 TGlxFilterSortDirection aSortDirection,
       
   202                                                                 TGlxFilterSortOrder aSortFilter)
       
   203     {
       
   204     TGlxFilterProperties filterProperties;
       
   205     filterProperties.iSortOrder = aSortFilter;
       
   206     filterProperties.iSortDirection = aSortDirection;
       
   207     filterProperties.iItemType = EGlxFilterImage;
       
   208     filterProperties.iPath = aSelectedListPath;
       
   209     filterProperties.iNoDRM = ETrue;;
       
   210     filterProperties.iExcludeAnimation = ETrue;
       
   211     return CreateCombinedFilterL(filterProperties);
       
   212     }
       
   213 
       
   214 // ---------------------------------------------------------------------------
       
   215 // Creates a filter most suited for the SlideShow
       
   216 // ---------------------------------------------------------------------------
       
   217 //   
       
   218 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateSlideShowFilterFromExistingFilterL(   CMPXFilter* aOriginalFilter,
       
   219                                                                                     CMPXCollectionPath* aSelectedListPath,
       
   220                                                                                     TBool aReverseSortDirection)
       
   221     {     
       
   222     TGlxFilterProperties filterProperties;
       
   223     filterProperties.iSortDirection = aReverseSortDirection ? EGlxFilterSortDirectionReverse : EGlxFilterSortDirectionNotUsed;
       
   224     filterProperties.iItemType = EGlxFilterImage;
       
   225     filterProperties.iPath = aSelectedListPath;
       
   226     filterProperties.iNoDRM = ETrue;;
       
   227     filterProperties.iExcludeAnimation = ETrue;;
       
   228     return CreateCombinedFilterL(filterProperties, aOriginalFilter);
       
   229     }
       
   230     
       
   231 // ---------------------------------------------------------------------------
       
   232 // Creates a combined filter object.
       
   233 // ---------------------------------------------------------------------------
       
   234 //   
       
   235 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateCombinedFilterL(  const TGlxFilterProperties& aFilterProperties,
       
   236                                                                 CMPXFilter* aOriginalFilter,
       
   237                                                                 TBool aOverrideOriginal)
       
   238     {
       
   239     GLX_FUNCL("TGlxFilterFactory::CreateCombinedFilterL()");
       
   240     
       
   241     CMPXFilter* filter = CMPXFilter::NewL();
       
   242     CleanupStack::PushL(filter);
       
   243 
       
   244     // to prevent needing to check if aOriginalFilter is not NULL each time,
       
   245     // if it is we point it to filter, which supports nothing (support is checked only before setting)
       
   246     if( !aOriginalFilter )
       
   247     	{
       
   248     	aOriginalFilter = filter;
       
   249     	}
       
   250     	
       
   251     TGlxFilterItemType itemType = aFilterProperties.iItemType;
       
   252     if( ( EGlxFilterMediaTypeSuppliedInFilter == aFilterProperties.iItemType ) || !aOverrideOriginal )
       
   253         {
       
   254         if( aOriginalFilter->IsSupported(KGlxFilterGeneralItemType) )
       
   255             {
       
   256             itemType = aOriginalFilter->ValueTObjectL<TGlxFilterItemType>(KGlxFilterGeneralItemType);
       
   257             }
       
   258         }
       
   259                                                                                               
       
   260     filter->SetTObjectValueL<TGlxFilterItemType>(KGlxFilterGeneralItemType, itemType);
       
   261         
       
   262 
       
   263 	TGlxFilterSortOrder sortFilter = aFilterProperties.iSortOrder;
       
   264 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortType) )
       
   265         {
       
   266         if( !aOverrideOriginal || ( EGlxFilterSortOrderNotUsed == aFilterProperties.iSortOrder ) )
       
   267         	{
       
   268         	sortFilter = aOriginalFilter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
       
   269         	}
       
   270         }
       
   271     if( EGlxFilterSortOrderNotUsed != sortFilter )
       
   272         {
       
   273         filter->SetTObjectValueL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType, sortFilter);
       
   274         }
       
   275 
       
   276        
       
   277  	TGlxFilterSortDirection sortDirection = aFilterProperties.iSortDirection;
       
   278 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortDirection) )
       
   279         {
       
   280         if( !aOverrideOriginal || ( EGlxFilterSortDirectionNotUsed == aFilterProperties.iSortDirection ) )
       
   281         	{
       
   282         	sortDirection = aOriginalFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection);
       
   283         	TBool descendIfDate = ( EGlxFilterSortDirectionOverrideToDescendingIfDate == sortDirection ) && ( ( EGlxFilterSortOrderCaptureDate == sortFilter ) || ( EGlxFilterSortOrderModifiedDate == sortFilter ) );
       
   284         	if( EGlxFilterSortDirectionReverse == sortDirection )
       
   285         		{
       
   286         		if( EGlxFilterSortDirectionDescending == aFilterProperties.iSortDirection )
       
   287         			{
       
   288         			sortDirection = EGlxFilterSortDirectionAscending;
       
   289         			}
       
   290         		else if( EGlxFilterSortDirectionAscending == aFilterProperties.iSortDirection )
       
   291         			{
       
   292          			sortDirection = EGlxFilterSortDirectionDescending;
       
   293         			}
       
   294         		}
       
   295         	else if( descendIfDate )
       
   296         	    {
       
   297          		sortDirection = EGlxFilterSortDirectionDescending;
       
   298         	    }
       
   299         	else if( EGlxFilterSortDirectionOverrideToDescendingIfDate == sortDirection )
       
   300         	    {
       
   301         	    sortDirection = aFilterProperties.iSortDirection;
       
   302         	    }
       
   303         	}
       
   304         else if( aOverrideOriginal && ( EGlxFilterSortDirectionReverse == aFilterProperties.iSortDirection ) )
       
   305         	{
       
   306         	switch(aOriginalFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection))
       
   307         		{
       
   308         		case EGlxFilterSortDirectionNotUsed:
       
   309         		case EGlxFilterSortDirectionReverse:
       
   310         			{
       
   311         			sortDirection = EGlxFilterSortDirectionReverse;
       
   312         			break;
       
   313         			}
       
   314         		case EGlxFilterSortDirectionAscending:
       
   315          			{
       
   316         			sortDirection = EGlxFilterSortDirectionDescending;
       
   317         			break;
       
   318         			}
       
   319 	       		case EGlxFilterSortDirectionDescending:
       
   320         			{
       
   321         			sortDirection = EGlxFilterSortDirectionAscending;
       
   322         			break;
       
   323         			}
       
   324         		}
       
   325         	}
       
   326         }
       
   327  	if( EGlxFilterSortDirectionNotUsed != sortDirection )
       
   328         {
       
   329         filter->SetTObjectValueL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection, sortDirection);        
       
   330         }
       
   331   
       
   332 	TBool cameraAlbumFilter = aFilterProperties.iIncludeCameraAlbum;
       
   333 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralIncludeCameraAlbum) )
       
   334         {
       
   335         if( !aOverrideOriginal || !aFilterProperties.iIncludeCameraAlbum )
       
   336         	{
       
   337         	cameraAlbumFilter = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralIncludeCameraAlbum);
       
   338         	}
       
   339         }
       
   340     if( !cameraAlbumFilter )
       
   341         {
       
   342         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralIncludeCameraAlbum, cameraAlbumFilter);        
       
   343         }
       
   344 
       
   345         
       
   346     TInt minCount = aFilterProperties.iMinCount;    
       
   347 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralMinCount) )
       
   348         {
       
   349         if( !aOverrideOriginal || ( 0 == aFilterProperties.iMinCount ) )
       
   350         	{
       
   351 	        minCount = aOriginalFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMinCount);
       
   352         	}
       
   353         }
       
   354     if( !(minCount == 0) )
       
   355         {
       
   356         filter->SetTObjectValueL<TInt>(KGlxFilterGeneralMinCount, minCount);
       
   357         }
       
   358    
       
   359     
       
   360     TGlxMediaId itemId = aFilterProperties.iContainsItem;    
       
   361 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralItemId) )
       
   362         {
       
   363         if( !aOverrideOriginal || ( TGlxMediaId(0) == aFilterProperties.iContainsItem ) )
       
   364         	{
       
   365 	        itemId = (TGlxMediaId)(TUint32)aOriginalFilter->ValueTObjectL<TMPXItemId>(KGlxFilterGeneralItemId);
       
   366         	}
       
   367         }
       
   368     if( TGlxMediaId(0) != itemId )
       
   369         {
       
   370         filter->SetTObjectValueL<TMPXItemId>(KGlxFilterGeneralItemId, itemId.Value());        
       
   371         }
       
   372         
       
   373         
       
   374 	TBool lastCaptureDateFilter = aFilterProperties.iLastCaptureDate;
       
   375 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralLastCaptureDate) )
       
   376         {
       
   377         if( !aOverrideOriginal || !aFilterProperties.iLastCaptureDate )
       
   378         	{
       
   379         	lastCaptureDateFilter = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralLastCaptureDate);
       
   380         	}
       
   381         }
       
   382     if( lastCaptureDateFilter )
       
   383         {
       
   384         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralLastCaptureDate, lastCaptureDateFilter);        
       
   385         }
       
   386         
       
   387 	TBool excludeAnimation = aFilterProperties.iExcludeAnimation;
       
   388 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralExcludeAnimation) )
       
   389         {
       
   390         if( !aOverrideOriginal || !aFilterProperties.iExcludeAnimation )
       
   391         	{
       
   392         	excludeAnimation = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralExcludeAnimation);
       
   393         	}
       
   394         }
       
   395     if( excludeAnimation )
       
   396         {
       
   397         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralExcludeAnimation, excludeAnimation);
       
   398         }
       
   399         
       
   400 	TBool noDRM = aFilterProperties.iNoDRM;
       
   401 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralNoDRM) )
       
   402         {
       
   403         if( !aOverrideOriginal || !aFilterProperties.iNoDRM )
       
   404         	{
       
   405         	noDRM = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralNoDRM);
       
   406         	}
       
   407         }
       
   408     if( noDRM )
       
   409         {
       
   410         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralNoDRM, noDRM);
       
   411         }
       
   412         
       
   413 	TSize thumbnailLoadability = aFilterProperties.iThumbnailLoadability;
       
   414 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralThumbnailLoadability) )
       
   415         {
       
   416         if( !aOverrideOriginal || ( TSize(0,0) == aFilterProperties.iThumbnailLoadability ) )
       
   417         	{
       
   418         	thumbnailLoadability = aOriginalFilter->ValueTObjectL<TSize>(KGlxFilterGeneralThumbnailLoadability);
       
   419         	}
       
   420         }
       
   421     if( TSize(0,0) != thumbnailLoadability )
       
   422         {
       
   423         filter->SetTObjectValueL<TSize>(KGlxFilterGeneralThumbnailLoadability, thumbnailLoadability);    
       
   424         }
       
   425         
       
   426 	CMPXCollectionPath* path = aFilterProperties.iPath;
       
   427 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralMPXCollectionPath) )
       
   428         {
       
   429         if( !aOverrideOriginal || !aFilterProperties.iPath )
       
   430         	{
       
   431         	path = aOriginalFilter->ValueCObjectL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath);
       
   432         	}
       
   433         }
       
   434     if( path )
       
   435         {
       
   436         filter->SetCObjectValueL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath, path);    
       
   437         }
       
   438    
       
   439 	TBool promoteSystemItems = aFilterProperties.iPromoteSystemItems;
       
   440 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralSortOrderPromoteSystemItems) )
       
   441         {
       
   442         if( !aOverrideOriginal || !aFilterProperties.iPromoteSystemItems )
       
   443         	{
       
   444         	promoteSystemItems = aOriginalFilter->ValueTObjectL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems);
       
   445         	}
       
   446         }
       
   447     if( promoteSystemItems )
       
   448         {
       
   449         filter->SetTObjectValueL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems, promoteSystemItems);
       
   450         }
       
   451    
       
   452 	TGlxFilterOrigin origin = aFilterProperties.iOrigin;
       
   453 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralOrigin) )
       
   454         {
       
   455         if( !aOverrideOriginal || ( EGlxFilterOriginNotUsed == aFilterProperties.iOrigin ) )
       
   456         	{
       
   457         	origin = aOriginalFilter->ValueTObjectL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin);
       
   458         	}
       
   459         }
       
   460     if( EGlxFilterOriginNotUsed != origin )
       
   461         {
       
   462         filter->SetTObjectValueL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin, origin);
       
   463         }
       
   464  
       
   465 	const TDesC* uri = aFilterProperties.iUri;
       
   466 	if( aOriginalFilter->IsSupported(KGlxFilterGeneralUri) )
       
   467         {
       
   468         if( !aOverrideOriginal || ( !aFilterProperties.iUri ) )
       
   469         	{
       
   470         	uri = &aOriginalFilter->ValueText(KGlxFilterGeneralUri);
       
   471         	}
       
   472         }
       
   473     if( uri )
       
   474         {
       
   475         filter->SetTextValueL(KGlxFilterGeneralUri, *uri);    
       
   476         }
       
   477    
       
   478     CleanupStack::Pop(filter);
       
   479     return filter;
       
   480     }
       
   481      
       
   482 // ---------------------------------------------------------------------------
       
   483 // Creates an empty container(for albums with no images) exclusion filter object
       
   484 // ---------------------------------------------------------------------------
       
   485 //    
       
   486 EXPORT_C CMPXFilter* TGlxFilterFactory::CreateExcludeEmptyContainersFilterL(CMPXMedia* aOriginalFilter)
       
   487 	{
       
   488 	TGlxFilterProperties filterProperties;
       
   489 	filterProperties.iMinCount = 1;
       
   490 	return CreateCombinedFilterL(filterProperties, aOriginalFilter, ETrue);
       
   491 	}
       
   492 	
       
   493 	
       
   494 EXPORT_C TGlxFilterProperties TGlxFilterFactory::ExtractAttributes(CMPXFilter* aFilter)
       
   495     {
       
   496     TGlxFilterProperties filterProperties;
       
   497     // Now get the KGlxFilterGeneralibutes specified in the filter
       
   498     if (aFilter->IsSupported(KGlxFilterGeneralItemType))
       
   499         {
       
   500         filterProperties.iItemType = aFilter->ValueTObjectL<TGlxFilterItemType>(KGlxFilterGeneralItemType);
       
   501         }
       
   502     if (aFilter->IsSupported(KGlxFilterGeneralSortType))
       
   503         {
       
   504         filterProperties.iSortOrder = aFilter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
       
   505         }
       
   506     if (aFilter->IsSupported(KGlxFilterGeneralSortDirection))
       
   507         {
       
   508         filterProperties.iSortDirection = aFilter->ValueTObjectL<TGlxFilterSortDirection>(KGlxFilterGeneralSortDirection);
       
   509         }
       
   510     if (aFilter->IsSupported(KGlxFilterGeneralIncludeCameraAlbum))
       
   511         {
       
   512         filterProperties.iIncludeCameraAlbum = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralIncludeCameraAlbum);
       
   513         }
       
   514     if (aFilter->IsSupported(KGlxFilterGeneralMinCount))
       
   515         {
       
   516         filterProperties.iMinCount = aFilter->ValueTObjectL<TInt>(KGlxFilterGeneralMinCount);
       
   517         }
       
   518     if (aFilter->IsSupported(KGlxFilterGeneralItemId))
       
   519         {
       
   520         filterProperties.iContainsItem = (TGlxMediaId)(TUint32)aFilter->ValueTObjectL<TMPXItemId>(KGlxFilterGeneralItemId);
       
   521         }
       
   522     if (aFilter->IsSupported(KGlxFilterGeneralExcludeAnimation))
       
   523         {
       
   524         filterProperties.iExcludeAnimation =  aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralExcludeAnimation);
       
   525         }
       
   526     if (aFilter->IsSupported(KGlxFilterGeneralNoDRM))
       
   527         {
       
   528         filterProperties.iNoDRM =  aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralNoDRM);
       
   529         }
       
   530     if (aFilter->IsSupported(KGlxFilterGeneralLastCaptureDate))
       
   531         {
       
   532         filterProperties.iLastCaptureDate = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralLastCaptureDate);
       
   533         }
       
   534     if ( aFilter->IsSupported( KGlxFilterGeneralThumbnailLoadability ) )
       
   535         {
       
   536         filterProperties.iThumbnailLoadability = aFilter->ValueTObjectL<TSize>(
       
   537                                     KGlxFilterGeneralThumbnailLoadability );
       
   538         }
       
   539     if (aFilter->IsSupported(KGlxFilterGeneralMPXCollectionPath))
       
   540         {
       
   541         filterProperties.iPath = aFilter->ValueCObjectL<CMPXCollectionPath>(KGlxFilterGeneralMPXCollectionPath);
       
   542         }
       
   543     if( aFilter->IsSupported(KGlxFilterGeneralSortOrderPromoteSystemItems) )
       
   544         {
       
   545         filterProperties.iPromoteSystemItems = aFilter->ValueTObjectL<TBool>(KGlxFilterGeneralSortOrderPromoteSystemItems);
       
   546         }
       
   547     if( aFilter->IsSupported(KGlxFilterGeneralOrigin) )
       
   548         {
       
   549         filterProperties.iOrigin = aFilter->ValueTObjectL<TGlxFilterOrigin>(KGlxFilterGeneralOrigin);
       
   550         }
       
   551     if( aFilter->IsSupported(KGlxFilterGeneralUri) )
       
   552         {
       
   553         filterProperties.iUri = &aFilter->ValueText(KGlxFilterGeneralUri);
       
   554         }
       
   555     return filterProperties;
       
   556     }
       
   557